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ok on honda.com and honda.ca they list the civic ex/si as 32/38mpg and 8.2/6L 100/km. the tanks are 50L or 13Gal, 50/13.2 = 3.79 would be the conversion rate. 60 mph is 100km/h. 100/60 is 1.67. so....

8.2 / 3.79 = 2.164gal
100 = 60 miles

60 / 2.164 = 27.726mpg

if honda lists 32mpg to equal 8.2L per 100km than why does my calculation show 27.726mpg equals 8.2L per 100km?

please tell me where i went wrong or if honda is wrong.

cya.

 
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First off, why are you double checking GIVEN specs?? [IMG]i/expressions/face-icon-small-confused.gif[/IMG]

But here is where you went wrong:
You used the EX's manual mileage and our Si's auto mileage..

30 MPG is about 8.1 L / 100KM
Which is close enough... since they are just estimates...

 
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Ok my bad, but the mpg was just something to compare to so it didn't affect my calculations. even an auto at 30/38mpg my calculation shows 8.2L at 27.726mpg. that is a big difference from 30mpg. reason i was checking is because i hear ppl saying i get this and that mpg so i figure i see how much i get. i had in mine 8.2L = 30mpg but when i calculated my last few tanks i did better than 8.2L yet converted to mpg i got less than 30mpg so i got curious.

so what's up with the bad math by honda or me?